Iris missouriensis (Western Iris)
This rare and beautiful blue iris is found on the west side of the Cascades only in the Islands of Puget Sound.
It can be grown far beyond its native habitat, however, as it is hardy between USDA zones 5-10.
This iris likes regular watering and a generous helping of compost in its planting hole.
Iris is the Greek word for rainbow, a reference to the variegated flowers.
For a short comparison of northwest native iris, click here.
Photo below by Jim Peaco